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Ds\Stack::isEmpty

(PECL ds >= 1.0.0)

Ds\Stack::isEmptyReturns whether the stack is empty

Description

public Ds\Stack::isEmpty ( ) : bool

Returns whether the stack is empty.

Parameters

This function has no parameters.

Return Values

Returns true if the stack is empty, false otherwise.

Examples

Example #1 Ds\Stack::isEmpty() example

<?php
$a = new \Ds\Stack([1, 2, 3]);
$b = new \Ds\Stack();

var_dump($a->isEmpty());
var_dump($b->isEmpty());
?>

The above example will output something similar to:

bool(false)
bool(true)

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https://www.php.net/manual/en/ds-stack.isempty.php